Nếu X là nửa nhóm giao hoán thì (a ∗ b) ∗ (c ∗ d) = (a ∗ d) ∗ (c ∗ b) với mọi a, b,c, d ∈ X.

Give all possible names for the line shown. calculation tip: lines can be written with either point first.

I’ve been trying all day to figure this puzzle out. i need the work for it aswell. it is a factoring polynomials tarsia. the image is below.

You are a male who just graduated from college with a bachelor's degree. you have a job paying $50,780.00/yr. a. how does your salary compare to the yearly median earnings for a male with a bachelor's degree? b. what is the difference between the yearly median earnings for a male with a bachelor's degree compared to a male who does not attend college after earning a high school diploma?